Life in the wild teaches us invaluable lessons. Extreme situations force us to seize opportunities, face up to dangers and rely on our instincts. But living a purpose-driven, impactful life can be an even greater challenge... In A Survival Guide for Life, Bear Grylls shares the hard-earned lessons he???s learned from some of the harshest environments on earth. How do you keep going when all the odds are stacked against you?